A lot of the swordfighting techniques curiously enough focus on swinging the sword above your head, going for enemy neck and head, or tackling them down. Curiously enough, a lot of the techniques also deal with countering such high-held stances, using the pommel as a club or the tip as a dagger or the entire sword as a short spear.flaming_squirrel said:Although a polearm is indeed cheaper to produce and train with (most of it is afterall a stick) I'd say it's more due to the nature of a pitched battle over single combat, it would be almost impossible to effectively use a longsword in a frantic melee with little space to swing it in.SakSak said:This had more to do with the general peasant composition of most armies, the availability and cheap cost of polearms and the ease which it could be taught to raw recruits about to fight in a formation.
Whereas it takes years to effectively learn to fight with an expensive sword.
While you may have a point, I believe it is an extremely marginal one. Not all battles, specifically with sword-armed knights, took place in such tight quarters - those wielding the sword would have had been supremely good at judging space available and if it were advantageous to fight there or seek slightly better ground somewhere else close by. And if none were available... well then, there were those techniques alternative to wide swinging to fall upon.